The Influence of Tool Path Strategies on Cutting Force and Surface Texture during Ball End Milling of Low Curvature Convex Surfaces

Table 15

Difference between confirmatory test results and calculated values.

Cutting strategy	Predicted values		Comparison
	𝐹𝑡pred, (N)	𝑆/𝑁 for 𝐹𝑡 (𝜂pred, dB)	|𝐹𝑡exp−𝐹𝑡pred|	|𝜂exp−𝜂pred|
Raster (R)	192.06	−45.669	23.10	1.113
3D-offset (3D)	267.44	−48.544	10.59	0.350
Radial (RA)	149.14	−43.472	33.68	2.223
Spiral (SP)	377.96	−51.549	19.11	0.451